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A man with blood group A marries a woman...

A man with blood group A marries a woman with blood group B. What will be the genotype of man and woman if one of their child is born withblood group O ? Show the type of progeny formed with help of Punnett square.

A

Mother is homozygous for 'A' blood group `(I^AI^A)` and father is heterozygous for `'B' (I^Bi)`

B

Mother is heterozygous for 'A' blood group `(I^AI^A)` and father is homozygous for 'B' `(I^BI^B)`

C

Both mother and father are heterozygous for 'A' `(I^Ai)` and 'B' blood group `(I^Bi)` respectively.

D

Both mother and father are homozygous for 'A' and 'B' blood group `(I^AI^A "and" `I^BI^B)` respectively.

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